Within-individual changes in BMI and menstrual irregularity: a cohort study using real-world data

Key Points

• Menstrual irregularity is linked to variations in BMI, affecting women's health.
• A notable analysis over 52 weeks showed BMI fluctuations correspond with menstrual cycle changes.
• Cohort study design utilized real-world data to assess individual changes effectively.
• Findings support the importance of monitoring BMI for menstrual health evaluation.